Valpak gives Grand Prairie drivers the green light to save with a variety of auto repair coupons in one convenient location. Instead of traveling across the web for discounts, just cruise on over to Valpak.com and select the offer of your choice. We offer coupons for oil changes, state auto inspections, full-service car washes and more! Has the Texas sun taken its toll on your ride? Save a few bucks and show your car you care with deals on services like auto paint repair and air conditioning repair. For Grand Prairie families who simply refuse to overpay at the auto repair shop, Valpak’s here to help.